Such a fistula may be the anastomosis of a natural artery and vein, a bovine graft, or a synthetic polytetrafluoroethylene (PTFE) graft. The bovine graft is taken from the bovine carotid artery and anastomosed to the vein and artery of the patient.
Definition of verify. verified. ; verifying. transitive verb. 1 : to confirm or substantiate in law by oath. 2 : to establish the truth, accuracy, or reality of verify the claim.
1. prove, confirm, verify, validate. 1  to establish by proof or competent evidence:to substantiate a charge. 2  to give substantial existence to:to substantiate an idea through action. 3  to affirm as having substance; give body to; strengthen:to substantiate a friendship.